1. GujCat Homepage, https://gujcat.inflibnet.ac.in. Last Accessed 10 Dec 2022
2. Rosalien, R.: Enhancement of subject searching in OPAC using ontology. Revista ESPACIOS 39(44), (2018)
3. O’Brien, A.: Online catalogs: enhancements and developments. Annual Rev. Inform. Sci. Technol. (ARIST) 2(5), 219–242 (1994)
4. Drabenstott, K.M., Weller, M.S.: Failure analysis of subject searches in a test of a new design for subject access to online catalogs. J. American Soc Inform. Sci. 47(7), 519–537 (1996). https://doi.org/10.1002/(SICI)1097-4571(199607)47:7%3C519::AID-ASI5%3E3.0.CO;2-X
5. Aluri, R., Olson, Hope A.: A: Subject analysis in online catalogs, 2nd edn. Libraries Unlimited Inc, (2001)